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<head><meta charset="utf-8"><title>weekly meeting July 31 · t-compiler/wg-nll · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/index.html">t-compiler/wg-nll</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html">weekly meeting July 31</a></h3>

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<a name="130666222"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666222" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666222">(Jul 31 2018 at 19:30)</a>:</h4>
<p>hi <span class="user-mention" data-user-id="*">@everyone</span></p>



<a name="130666250"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666250" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666250">(Jul 31 2018 at 19:31)</a>:</h4>
<p>o/</p>



<a name="130666265"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666265" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666265">(Jul 31 2018 at 19:31)</a>:</h4>
<p>o/</p>



<a name="130666329"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666329" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666329">(Jul 31 2018 at 19:32)</a>:</h4>
<p>As usual we have the <a href="https://paper.dropbox.com/doc/Non-lexical-lifetimes-NLL-Triage--AJDZ1MwTF7Q4CYdFRLdzQMUKAg-Em2cJrvxQMMFWLE7lE5Be" target="_blank" title="https://paper.dropbox.com/doc/Non-lexical-lifetimes-NLL-Triage--AJDZ1MwTF7Q4CYdFRLdzQMUKAg-Em2cJrvxQMMFWLE7lE5Be">NLL triage</a> paper as a place for everyone to jot down their status</p>



<a name="130666359"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666359" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666359">(Jul 31 2018 at 19:32)</a>:</h4>
<p>I would like to call everyone's attention to my last bullet item: want everyone here to weigh in on buckets in <a href="https://github.com/rust-lang/rust/issues/52663" target="_blank" title="https://github.com/rust-lang/rust/issues/52663">https://github.com/rust-lang/rust/issues/52663</a></p>



<a name="130666421"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666421" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666421">(Jul 31 2018 at 19:33)</a>:</h4>
<p>namely, I tried to be pretty exhaustive in enumerating all the differences,</p>



<a name="130666487"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666487" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666487">(Jul 31 2018 at 19:34)</a>:</h4>
<p>hi :)</p>



<a name="130666498"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666498" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666498">(Jul 31 2018 at 19:34)</a>:</h4>
<p>even differences that there is a pretty good argument that the difference is fine or at least acceptable for now</p>



<a name="130666523"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666523" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666523">(Jul 31 2018 at 19:34)</a>:</h4>
<p>but anyway, I figure I could let other people weigh in on which differences seem to actually matter</p>



<a name="130666547"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666547" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666547">(Jul 31 2018 at 19:35)</a>:</h4>
<p>(and of course, if anyone wants to have a go at fixing any of them, that's also an option.</p>



<a name="130666568"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666568" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666568">(Jul 31 2018 at 19:35)</a>:</h4>
<p>So <span class="user-mention" data-user-id="116009">@nikomatsakis</span> is on PTO this week</p>



<a name="130666626"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666626" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666626">(Jul 31 2018 at 19:36)</a>:</h4>
<p>the big news (at least in my opinion) is that PR <a href="https://github.com/rust-lang/rust/issues/52681" target="_blank" title="https://github.com/rust-lang/rust/issues/52681">#52681</a> landed</p>



<a name="130666661"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666661" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666661">(Jul 31 2018 at 19:36)</a>:</h4>
<p>and it included integration into the <del>2008</del> 2018 edition. So, we're committed at this point. :)</p>



<a name="130666685"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666685" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666685">(Jul 31 2018 at 19:37)</a>:</h4>
<p>it got integrated <em>this</em> late?</p>



<a name="130666693"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666693" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666693">(Jul 31 2018 at 19:37)</a>:</h4>
<p>I like the 2008 edition.</p>



<a name="130666721"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666721" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666721">(Jul 31 2018 at 19:37)</a>:</h4>
<blockquote>
<p>it got integrated <em>this</em> late?</p>
</blockquote>
<p>well, it was in the compiler</p>



<a name="130666728"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666728" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666728">(Jul 31 2018 at 19:37)</a>:</h4>
<p>but it wasn't toggled on by the <del>2008</del> 2018 flag</p>



<a name="130666788"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666788" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666788">(Jul 31 2018 at 19:38)</a>:</h4>
<p>Felix still didn't realize :P</p>



<a name="130666800"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666800" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666800">(Jul 31 2018 at 19:38)</a>:</h4>
<p>and it was mainly waiting on the migration mode (that same PR) that downgrades errors to warnings if AST-borrowck accepts the code</p>



<a name="130666821"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666821" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666821">(Jul 31 2018 at 19:38)</a>:</h4>
<p>so, yes, you are right to be somewhat shocked that we're turning it on this late in the game</p>



<a name="130666830"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666830" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666830">(Jul 31 2018 at 19:39)</a>:</h4>
<p>Felix, we are in 2018 :P</p>



<a name="130666840"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666840" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666840">(Jul 31 2018 at 19:39)</a>:</h4>
<p>10 years late is a bit too much though</p>



<a name="130666849"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666849" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666849">(Jul 31 2018 at 19:39)</a>:</h4>
<p>oh</p>



<a name="130666872"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666872" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666872">(Jul 31 2018 at 19:39)</a>:</h4>
<p>:D</p>



<a name="130666877"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666877" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666877">(Jul 31 2018 at 19:40)</a>:</h4>
<p>anyway</p>



<a name="130666919"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666919" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666919">(Jul 31 2018 at 19:40)</a>:</h4>
<p>What's next!</p>



<a name="130666931"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666931" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666931">(Jul 31 2018 at 19:40)</a>:</h4>
<p>I already mentioned the diagnostic survey</p>



<a name="130666943"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666943" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666943">(Jul 31 2018 at 19:40)</a>:</h4>
<p>but my real take away from that effort was: I think we are actually in a pretty good spot</p>



<a name="130666969"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666969" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666969">(Jul 31 2018 at 19:40)</a>:</h4>
<p>We do need to triage that list of buckets, figure out which things to prioritize for the Release Candidate</p>



<a name="130666998"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130666998" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130666998">(Jul 31 2018 at 19:41)</a>:</h4>
<p>but overall I was pretty happy with our diagnostics</p>



<a name="130667009"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667009" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667009">(Jul 31 2018 at 19:41)</a>:</h4>
<p>How are we doing on performance?</p>



<a name="130667015"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667015" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667015">(Jul 31 2018 at 19:41)</a>:</h4>
<p>(I honestly have no idea.)</p>



<a name="130667073"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667073" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667073">(Jul 31 2018 at 19:42)</a>:</h4>
<p><span class="user-mention" data-user-id="116113">@lqd</span>  probably has the best idea, I'm not too sure myself.</p>



<a name="130667074"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667074" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Matthew Jasper <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667074">(Jul 31 2018 at 19:42)</a>:</h4>
<p>Well, const eval got slower, so we now look better. <span class="emoji emoji-1f923" title="rolling on the floor laughing">:rolling_on_the_floor_laughing:</span></p>



<a name="130667134"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667134" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667134">(Jul 31 2018 at 19:43)</a>:</h4>
<p>Yeah I don't see any massive difference when I look at <a href="https://perf.rust-lang.org/nll-dashboard.html" target="_blank" title="https://perf.rust-lang.org/nll-dashboard.html">https://perf.rust-lang.org/nll-dashboard.html</a> ; we're still really bad on html5ever and tuple-stress</p>



<a name="130667183"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667183" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667183">(Jul 31 2018 at 19:44)</a>:</h4>
<p>We seem to be okay I think, up to date crate versions run faster than the versions on perf.rlo</p>



<a name="130667211"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667211" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667211">(Jul 31 2018 at 19:44)</a>:</h4>
<p>and also people running the full compiler won't notice the impact as much as people running <code>cargo check</code>, right?</p>



<a name="130667214"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667214" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667214">(Jul 31 2018 at 19:44)</a>:</h4>
<p>And we have some wip work for html5ever, but will likely hit he dataflow/moveck slowness hitting tuple-stress next</p>



<a name="130667222"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667222" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667222">(Jul 31 2018 at 19:45)</a>:</h4>
<p>(deleted)</p>



<a name="130667223"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667223" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667223">(Jul 31 2018 at 19:45)</a>:</h4>
<p>true</p>



<a name="130667299"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667299" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667299">(Jul 31 2018 at 19:46)</a>:</h4>
<p>Hey <span class="user-mention" data-user-id="116118">@Matthew Jasper</span> since you have been looking at stuff with closure captures</p>



<a name="130667300"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667300" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667300">(Jul 31 2018 at 19:46)</a>:</h4>
<p>felix you might have ideas on the tuple-stress profile in the "perf.rlo benchmarks" topic</p>



<a name="130667325"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667325" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667325">(Jul 31 2018 at 19:46)</a>:</h4>
<p>We should make sure there's a way to keep track of who is doing any of the diagnostic buckets so that we don't duplicate any effort.</p>



<a name="130667337"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667337" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667337">(Jul 31 2018 at 19:47)</a>:</h4>
<p><span class="user-mention" data-user-id="116118">@Matthew Jasper</span> could you take a look at the list in <a href="https://github.com/rust-lang/rust/issues/52663#issuecomment-409034771" target="_blank" title="https://github.com/rust-lang/rust/issues/52663#issuecomment-409034771">NLL lacks special case handling of closures</a> and make sure all of those have appropriate issues?</p>



<a name="130667404"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667404" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667404">(Jul 31 2018 at 19:48)</a>:</h4>
<p>(oh niko started looking at the crater results and there will be new bugs to be filed)</p>



<a name="130667412"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667412" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667412">(Jul 31 2018 at 19:48)</a>:</h4>
<p><span class="user-mention" data-user-id="116107">@David Wood</span> yeah; assigning people in issues would be one step</p>



<a name="130667434"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667434" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667434">(Jul 31 2018 at 19:48)</a>:</h4>
<p><span class="user-mention" data-user-id="116107">@David Wood</span> if something doesn't get an issue because its "too minor", then they could at least add themselves to the table?</p>



<a name="130667441"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667441" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667441">(Jul 31 2018 at 19:48)</a>:</h4>
<p>or I guess you all don't have edit privleges for the table</p>



<a name="130667459"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667459" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667459">(Jul 31 2018 at 19:49)</a>:</h4>
<p>Yeah, a column on the table is probably sufficient. I think anyone in the WG-compiler-nll group can edit the table.</p>



<a name="130667474"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667474" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667474">(Jul 31 2018 at 19:49)</a>:</h4>
<p><span class="user-mention" data-user-id="116113">@lqd</span> okay.  I'm not 100% sure I'll have time to look at it too closely because there are some non NLL compiler issues that I think I need to attack this week</p>



<a name="130667492"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667492" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667492">(Jul 31 2018 at 19:50)</a>:</h4>
<p><span class="user-mention" data-user-id="116113">@lqd</span> but I'll try to remember to at least look at it</p>



<a name="130667569"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667569" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667569">(Jul 31 2018 at 19:51)</a>:</h4>
<p>Cool, could be worthwhile eventually (ie the liveness + static fast path for html5ever won't be enough most likely)</p>



<a name="130667677"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667677" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667677">(Jul 31 2018 at 19:53)</a>:</h4>
<p>I'm trying to figure out if there's anything else besides diagnostics and performance to talk about</p>



<a name="130667679"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667679" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667679">(Jul 31 2018 at 19:53)</a>:</h4>
<p>oh</p>



<a name="130667681"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667681" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667681">(Jul 31 2018 at 19:53)</a>:</h4>
<p>ICE's of course</p>



<a name="130667705"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667705" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Matthew Jasper <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667705">(Jul 31 2018 at 19:54)</a>:</h4>
<p>I think that we've got most of them now</p>



<a name="130667753"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667753" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667753">(Jul 31 2018 at 19:54)</a>:</h4>
<p>okay. I just noticed <a href="https://github.com/rust-lang/rust/issues/52792" target="_blank" title="https://github.com/rust-lang/rust/issues/52792">#52792</a></p>



<a name="130667802"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667802" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667802">(Jul 31 2018 at 19:55)</a>:</h4>
<p>(but I think other people on the compiler team who know more about the generator support code are going to be dealing with that.)</p>



<a name="130667812"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667812" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667812">(Jul 31 2018 at 19:55)</a>:</h4>
<p>but the main thing is</p>



<a name="130667825"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667825" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667825">(Jul 31 2018 at 19:55)</a>:</h4>
<p>that probably ICE's need to take highest priority now</p>



<a name="130667832"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667832" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667832">(Jul 31 2018 at 19:56)</a>:</h4>
<p>now that we're turned on in the 2008 edition</p>



<a name="130667887"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667887" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667887">(Jul 31 2018 at 19:56)</a>:</h4>
<p>all the ones we hit in the crater runs are fixed now I think</p>



<a name="130667906"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130667906" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Matthew Jasper <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130667906">(Jul 31 2018 at 19:56)</a>:</h4>
<p>I think <a href="https://github.com/rust-lang/rust/issues/52792" target="_blank" title="https://github.com/rust-lang/rust/issues/52792">#52792</a> is independent of NLL</p>



<a name="130668004"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668004" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668004">(Jul 31 2018 at 19:58)</a>:</h4>
<p>Oh there was one other thing I wanted to get people's temperature on</p>



<a name="130668045"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668045" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668045">(Jul 31 2018 at 19:59)</a>:</h4>
<p>Back in May, PR <a href="https://github.com/rust-lang/rust/issues/50593" target="_blank" title="https://github.com/rust-lang/rust/issues/50593">#50593</a> turned off the location-dependent outlives relation</p>



<a name="130668057"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668057" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668057">(Jul 31 2018 at 19:59)</a>:</h4>
<p>and that, as expected, broke <a href="https://github.com/rust-lang/rust/issues/51526" target="_blank" title="https://github.com/rust-lang/rust/issues/51526">#51526</a></p>



<a name="130668075"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668075" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668075">(Jul 31 2018 at 19:59)</a>:</h4>
<p>the thing I've been wondering is ..</p>



<a name="130668124"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668124" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668124">(Jul 31 2018 at 20:00)</a>:</h4>
<p>should we put back in the location-dependent outlives relation, under a debug-flag</p>



<a name="130668137"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668137" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668137">(Jul 31 2018 at 20:00)</a>:</h4>
<p>(or other feature-gated opt-in)</p>



<a name="130668139"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668139" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668139">(Jul 31 2018 at 20:00)</a>:</h4>
<p>oh right the thing Simon talked about yesterday</p>



<a name="130668147"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668147" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668147">(Jul 31 2018 at 20:00)</a>:</h4>
<p>as a way to still test the more feature-full NLL</p>



<a name="130668148"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668148" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668148">(Jul 31 2018 at 20:00)</a>:</h4>
<p>What ever happened with the type annotations issue?</p>



<a name="130668156"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668156" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668156">(Jul 31 2018 at 20:00)</a>:</h4>
<p>without going all the way to Polonius</p>



<a name="130668162"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668162" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668162">(Jul 31 2018 at 20:00)</a>:</h4>
<p><span class="user-mention" data-user-id="116107">@David Wood</span> I think that issue is still open</p>



<a name="130668175"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668175" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668175">(Jul 31 2018 at 20:00)</a>:</h4>
<p>... I was treating it as a diagnostic issue</p>



<a name="130668192"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668192" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668192">(Jul 31 2018 at 20:01)</a>:</h4>
<p>but now that you mention it, its not purely diagnostic, is it</p>



<a name="130668204"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668204" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668204">(Jul 31 2018 at 20:01)</a>:</h4>
<p>this is issue <a href="https://github.com/rust-lang/rust/issues/47184" target="_blank" title="https://github.com/rust-lang/rust/issues/47184">#47184</a></p>



<a name="130668225"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668225" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668225">(Jul 31 2018 at 20:01)</a>:</h4>
<p>so yeah, we do want to resolve that in time for the Release Candidate</p>



<a name="130668296"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668296" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668296">(Jul 31 2018 at 20:02)</a>:</h4>
<p>and ... i don't think we have any solid plan for resolving it. Not currently.</p>



<a name="130668425"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668425" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668425">(Jul 31 2018 at 20:04)</a>:</h4>
<p>I did have some code hacked up to try to support <code>let (a, b): (T, U);</code> checking for <a href="https://github.com/rust-lang/rust/issues/47184" target="_blank" title="https://github.com/rust-lang/rust/issues/47184">#47184</a></p>



<a name="130668432"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668432" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668432">(Jul 31 2018 at 20:04)</a>:</h4>
<p>but I don't remember where I put it. And it didn't quite work. And I didn't like it.</p>



<a name="130668457"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668457" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668457">(Jul 31 2018 at 20:05)</a>:</h4>
<p>I should at least go see if I can find that branch again.</p>



<a name="130668685"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668685" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668685">(Jul 31 2018 at 20:09)</a>:</h4>
<p>okay well our time is up</p>



<a name="130668691"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668691" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668691">(Jul 31 2018 at 20:09)</a>:</h4>
<p>Thanks <span class="user-mention" data-user-id="*">@everyone</span> for attending</p>



<a name="130668767"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2031/near/130668767" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2031.html#130668767">(Jul 31 2018 at 20:10)</a>:</h4>
<p>(Location dependent outlives could be nice under another flag :) \o</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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